Actinidia

Actinidia kolomikta (Kolomikta Actinidia )

Adansonia

Adansonia digitata (Baobab)

Adenium

Adenium obesum (Desert Rose )

Adenocarpus

Adenocarpus decorticans (Silver Broom )

Ailanthus

Ailanthus altissima (Tree of Heaven )

Akebia

Akebia quinata (Five-leaf Akebia )

Albizia

Albizia julibrissin (Silk Tree )
Albizia julibrissin 'Summer Chocolate' (Summer Chocolate Silk Tree)

Aleurites

Aleurites moluccanus (Candelnut)
Aleurites rockinghamensis (Candelnut)

Alnus

Alnus alnobetula subsp. crispa (American Green Alder)
Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus glutinosa 'Imperialis' (Imperialis Black Alder)
Alnus glutinosa 'Laciniata' (Cutleaf Alder )
Alnus incana subsp. rugosa (Speckled Alder )
Alnus japonica (Japanese Alder)

Amelanchier

Amelanchier canadensis (Shadblow )
Amelanchier × grandiflora (Apple Serviceberry)
Amelanchier × grandiflora Autumn Brilliance® (Autumn Brilliance Serviceberry)
Amelanchier × grandiflora 'Forest Prince' (Forest Prince Serviceberry)
Amelanchier laevis (Allegheny Serviceberry )

Amorpha

Amorpha nana (Dwarf Wild Indigo )

Ampelopsis

Ampelopsis brevipedunculata (Porcelain Berry )
Ampelopsis brevipendiculata 'Elegans' (Elegans Porcelain Berry )

Andromeda

Andromeda polifolia (Bog Rosemary)

Aralia

Aralia elata (Angelica Tree )
Aralia elata 'Variegata' (Variegated Angelica Tree)

Araucaria

Araucaria araucana (Monkey Puzzle Tree )

Arbutus

Arbutus unedo (Strawberry Tree )

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos bakeri subsp. bakeri (Baker Manzanita)
Arctostaphylos bakeri subsp. bakeri 'Louis Edmunds' (Louis Edmunds Manzanita)
Arctostaphylos canescens (Hoary Manzanita )
Arctostaphylos confertiflora (Santa Rosa Island Manzanita)
Arctostaphylos densiflora (Sonoma Manzanita )
Arctostaphylos densiflora 'Howard McMinn' (Howard McMinn Manzanita)
Arctostaphylos edmundsii (Little Sur Manzanita)
Arctostaphylos hookeri (Hooker's Manzanita )
Arctostaphylos hookeri subsp. franciscana (Franciscan Manzanita)
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos manzanita (Parry Manzanita )
Arctostaphylos manzanita 'St. Helena' (St. Helena Manzanita)
Arctostaphylos montaraensis (Montara Manzanita)
Arctostaphylos nevadensis (Pinemat Manzanita)
Arctostaphylos pajaroensis (Pajaro Manzanita)
Arctostaphylos pajaroensis 'Bretts Beauty' (Brett's Beauty Manzanita)
Arctostaphylos pumila (Sandmat Manzanita )
Arctostaphylos pungens (Ponitleaf Manzanita )
Arctostaphylos refugioensis (Refugio Manzanita)
Arctostaphylos rudis (Shag Bark Manzanita )
Arctostaphylos tomentosa (Wolly Manzanita )
Arctostaphylos viridissima 'White Cloud' (White Cloud McMinn's Manzanita )

Ardisia

Ardisia japonica (Japanese Ardisia )

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Aronia

Aronia arbutifolia (Red Chokeberry)
Aronia arbutifolia 'Brilliantissima' (Brilliant Red Chokeberry)
Aronia melanocarpa (Black Chokeberry)

Artocarpus

Artocarpus altilis (Breadfruit)

Asimina

Asimina triloba (Common Pawpaw )

Atriplex

Atriplex hymenelytra (Desert Holly)

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)
Azara microphylla 'Variegata' (Variegated Boxleaf Azara)

Bauhinia

Bauhinia variegata (Orchid Tree )

Berberis

Berberis Emerald Carousel™ (Emerald Carousel Barberry)
Berberis buxifolia 'Nana' (Dwarf Magellan Barberry )
Berberis darwinii (Darwin Barberry)
Berberis fremontii (Fremont Barberry )
Berberis × gladwynensis 'William Penn' (William Penn Barberry)
Berberis julianae (Wintergreen Barberry)
Berberis × mentorensis (Mentor Barberry)
Berberis pruinosa (Pruinosa Barberry)
Berberis replicata (Evergreen Barberry)
Berberis × stenophylla (Rosemary Barberry)
Berberis × stenophylla 'Irwinii' (Irwin Rosemary Barberry)
Berberis × stenophylla 'Nana' (Dwarf Rosemary Barberry)
Berberis thunbergii (Japanese Barberry)
Berberis thunbergii 'Aurea' (Golden Japanese Barberry)
Berberis thunbergii Golden Nugget™ (Golden Nugget Barberry)
Berberis thunbergii 'Kobold' (Kobold Japanese Barberry)
Berberis thunbergii Sunsation™ (Sunsation Barberry)
Berberis thunbergii var. atropurpurea (Purple (Red) Leafed Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Crimson Pigmy' (Crimson Pigmy Japanese Barberry)
Berberis thunbergii var. atropurpurea 'Golden Ring' (Golden Ring Barberry)
Berberis thunbergii var. atropurpurea 'Rose Glow' (Rose Glow Barberry)
Berberis thunbergii var. atropurpurea Royal Burgundy™ (Royal Burgundy Barberry)
Berberis triacanthophora (Threespine Barberry )
Berberis verruculosa (Warty Barberry)

Betula

Betula alleghaniensis (Yellow Birch)
Betula davurica (Asian Black Birch )
Betula lenta (Sweet Birch )
Betula maximowicziana (Monarch Birch)
Betula nana (Dwarf Birch )
Betula nigra (River Birch)
Betula nigra Fox Valley™ (Fox Valley River Birch)
Betula nigra Heritage™ (Heritage River Birch)
Betula pendula (European White Birch )
Betula pendula 'Filigree Lace' (Filigree European White Birch)